The Plan-Do-Check-Act or Adjust (PDCA) is the methodology of the four steps process for quality improvement (Plan/ Do/ Check/ Act) that carries out systematically to achieve continuous improvement work processes to decrease failures, increase efficiency, and avoid potential risks.
Reference Definition by Wikipedia: The Plan-Do-Check-Act or Adjust (PDCA) Approach is the cycle of continuous improvement work process in quality business consisting the four essential steps that should be carried out systematically to achieve continuous improvement. Another version of this PDCA cycle is OPDCA. The added “O” stands for observation or as some versions say: “Observe the current condition.” This emphasis on observation and current condition has currency with the literature on lean manufacturing and the Toyota Production System.
Related Definitions in the Project: The Project Management; Project Controls
